The terms physics, physiology, and physician come from a term that ___ proposed to distinguish natural causes from supernatural causes.

The process of using numerous observations to develop general principles and predictions about a specific subject is called

Most people think that ulcers are caused by psychological stress. It was discovered that an acid-resistant bacterium, Heliobacter pylori, lives in the lining of the stomach. If these bacteria cause ulcers, then treatment with an antibiotic should reduce ulcers. This line of investigation is an example of

Which of the following would contain the greatest amount of information that scientists consider to be true to the best of their knowledge?

The study of structure and function of cells is called

_______ established a code of ethics for physicians. He is considered the "father of medicine".

A new drug apparently increases short-term memory. Students were divided randomly into two groups at the beginning of the semester. One group was given the memory pill once a day for the semester, and the other group was given a same-looking pill, but it was just sugar. The sugar pill is termed a(n)

Two groups of people were tested to determine whether garlic lowers blood cholesterol levels. One group was given 800 mg of garlic powder daily for four months and exhibited an average 12% reduction in the blood cholesterol. The other group was not given any garlic and after four months averaged a 3% reduction in cholesterol. The group that was not given the garlic was the

When you exercise you generate excess heat and your body temperature rises. Blood vessels dilate in the skin, warm blood flows closer to the body surface, and you lose heat. This exemplifies

When a woman is giving birth, the head of the baby pushes against her cervix and stimulates release of the hormone oxytocin. Oxytocin travels in the blood and stimulates the uterus to contract. Labor contractions become more and more intense until the baby is expelled. This is an example of

Which of the following is most likely to cause disease?

Blood glucose concentration rises after a meal and stimulates release of the hormone insulin. Insulin travels in the blood and stimulates body cells to uptake glucose from the bloodstream. This reduces blood glucose concentration. This is an example of

The ____________ is defined as a healthy male 22 years old, weighing 70 kg (154 lb), under no environmental stress, and consuming 2,800 kilocalories (kcal) per day; whereas the ________ is the same except for a weight of 58 kg (128 lb) and an intake of 2,000 kcal/day.

The change in size of the bone marrow (where blood cells are produced) as an infant matures is an example of __________, whereas the transformation of blood stem cells into white blood cells is an example of __________________